1) make sure you restart the computer before playing - if you haven`t this could cause that.
2) Restart your internet modem/router (turn power off, wait 10 seconds, and back on)
2) Disable Anti Virus and Firewall - and if that works set DoF.exe and or Mithrill.dll as exception

The same problem, I bought an electronic copy of the game through Steam, tried to play a single game, after its launch from the game throws out, my account for online game uncreated, issued when run gives the waiting time is over over